Block height - The block amount and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkgenious.com/story20794495/the-blockchain-explorer-usdt-trc20-diaries-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers